Chelsea Football Club has launched an investigation into a former employee over allegations of historic child abuse.
The employee worked for the club during the 1970s and is now dead, Chelsea said.
The club has hired a law firm to carry out the investigation.
A statement from Chelsea read: ‘The club has also contacted The FA to ensure that all possible assistance is provided as part of their wider investigation.
‘This will include providing The FA with any relevant information arising out of the club’s investigation.
‘The FA has commissioned a dedicated NSPCC helpline for adults who were victims of sexual abuse in childhood within the football industry. The helpline is available 24 hours a day on 0800 023 2642.
‘While the club’s investigation is ongoing, we will make no further comment on this matter.’
Peterborough United and Cambridge United vowed to cooperate with the authorities as police forces across England investigate the historic claims.